7.1 The Solar System

• Moons are natural satellites that orbit planets.

  True
• Moons orbit planets in the Solar System.

  True
• The Sun is a massive ball of hot plasma.

  True
• What are the inner, terrestrial planets of the Solar System?

  Mercury, Venus, Earth, Mars
• The inner terrestrial planets are rocky
• Order the characteristics of dwarf planets from general to specific:

  1️⃣ Smaller than traditional planets, but larger than asteroids

  2️⃣ Orbit the Sun

  3️⃣ Do not "clear the neighborhood" around their orbit
• The Solar System includes planets, moons, asteroids, and comets.

  True
• The inner terrestrial planets are Mercury, Venus, Earth, and Mars
• Name all the planets in the Solar System.

  Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
• What is the primary role of the Sun in the Solar System?

  Light and heat
• Comets are icy bodies that orbit the Sun and form a tail when they get close
• Match the Solar System components with their descriptions:

  Planets ↔️ Orbit the Sun in elliptical paths

  Moons ↔️ Natural satellites of planets

  Asteroids ↔️ Rocky fragments in the asteroid belt

  Comets ↔️ Icy bodies forming a tail when near the Sun
• How many major planets are in the Solar System?

  8
• The outer gas giant planets are larger and composed mainly of gas.


  True
• Ceres is located in the asteroid belt.
• What is the primary role of the Sun in the Solar System?

  Provides light and heat
• The Solar System's planets orbit the Sun in circular paths.

  False
• Comets are primarily composed of ice
• The Oort Cloud is believed to be the source of long-period comets
• What is the central star of the Solar System called?

  Sun
• Comets form a tail when they get close to the Sun
• Where is the asteroid belt located in the Solar System?

  Between Mars and Jupiter
• Order the planets in the Solar System from nearest to farthest from the Sun.

  1️⃣ Mercury

  2️⃣ Venus

  3️⃣ Earth

  4️⃣ Mars

  5️⃣ Jupiter

  6️⃣ Saturn

  7️⃣ Uranus

  8️⃣ Neptune
• The outer gas giant planets of the Solar System include Jupiter, Saturn, Uranus, and Neptune
• Which planets are classified as outer gas giants?

  Jupiter, Saturn, Uranus, Neptune
• What are some examples of dwarf planets in the Solar System?

  Pluto, Ceres, Eris, Makemake, Haumea
• Match the Solar System component with its description:

  Sun ↔️ Central star, providing light and heat

  Planets ↔️ Orbit the Sun

  Moons ↔️ Natural satellites orbiting planets

  Asteroids ↔️ Rocky fragments in the asteroid belt
• Where is the asteroid belt located in the Solar System?

  Between Mars and Jupiter
• What is the primary focus of the "Planets in the Solar System" section of this study material?

  Classification and characteristics
• What is the Kuiper Belt composed of?

  Icy objects and dwarf planets
• Order the major components of the Solar System from central to outer:

  1️⃣ Sun

  2️⃣ Planets

  3️⃣ Moons

  4️⃣ Asteroids

  5️⃣ Comets
• Comets form a tail of gas and dust when they are near the Sun.


  True